Features： 1、Stretch Calf Muscles: Our inclined board can help stretch calf muscles, recover and prevent plantar fasciitis, achilles tendonitis, ankle injuries and more. 2、More Responsive: Our calf stretcher makes your muscles more responsive during workouts, healthier for you and more comfortable during walking. 3、Different Angles: The detachability of the 3 ankle stretcher allows you to have different angles on the calf stretcher, including 8.5 Degree, 8.5 Degree, 17 Degree , training with a combination of different inclines according to your needs. 4、Light: The calf stretcher is light enough that you can take it anywhere, you can use it in the gym, office, home or even outdoors to stretch and strengthen your feet and calves. 5、Improve Balance Control: Slant boards can also improve your balance control, make your balance better, and reduce your calf soreness, making your life more enjoyable. Specification： Item Type: Calf Stretcher Material: EPP Quantity: There are 3 inclined boards, the inclination angles are 8.5 Degree, 8.5 Degree, 17 Degree, respectively. Product Size: 17 Degree Inclined Plate: Approx. 31 x 16 x 10.5cm / 12.2 x 6.3 x 4.1in 8.5 Degree Inclined Plate: Approx. 31 x 16 x 5.5cm / 12.2 x 6.3 x 2.2in Package List： 3 x Incline Boards